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Riris Roiska
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Mantis Journal of Fisheries
Published by Universitas Jambi
ISSN : -     EISSN : 30638887     DOI : https://doi.org/10.22437/mjf
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Social Sciences
Mantis Journal of Fisheries is a journal published by the Department of Fisheries, Animal Science Faculty, Universitas Jambi, Indonesia. Mantis Journal of Fisheries with registered number ISSN 3063-8887 (online) and 3064-0822 (Print). The frequency of publication of this journal third a year in April, August and December. Mantis Journal of Fisheries accepts manuscripts in the form of original research, reviews and short communication in all areas of fisheries sciences. Scope of this journal are aquaculture, fisheries and marine science, fisheries product technology, utilization and management of fishery resources, and fisheries agribusiness.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 48 Documents
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LEVEL OF ENVIRONMENTAL FRIENDLIHOOD OF PURSE SEINE BASED ON GROSS TONNAGE (GT) SIZE AT BELAWAN SAMUDERA FISHERY PORT (PPS), NORTH SUMATERA Tinambunan, Mervin; Pramusintho, Bagus Pramunsintho; Khaldun, Muhhamad Hafidz Ibnu Khaldun; Handoko, Heru Handoko; Ramadan, Fauzan Ramadan; Putinur, Putinur
Mantis Journal of Fisheries Vol. 3 No. 01 (2026): April 2026
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v3i01.50078

Abstract

Pelabuhan Perikanan Samudera (PPS) Belawan merupakan pusat perikanan utama di Sumatera Utara dengan penggunaan dominan alat tangkap purse seine yang efisien menangkap ikan pelagis kecil, namun berpotensi menimbulkan masalah selektivitas dan bycatch. Penelitian ini dilakukan pada 2 Februari–3 Maret 2025 untuk menilai tingkat keramahan lingkungan purse seine berdasarkan kriteria Code of Conduct for Responsible Fisheries (CCRF). Metode yang digunakan adalah survei dengan purposive sampling terhadap 28 nelayan, dan analisis dilakukan secara deskriptif menggunakan 9 kriteria CCRF. Hasil menunjukkan nilai 28,89 yang mengkategorikan purse seine sebagai sangat ramah lingkungan dengan catatan. Nilai tertinggi terdapat pada aspek tidak merusak habitat, keamanan produk, tidak menangkap spesies dilindungi, dan penerimaan sosial, sedangkan kelemahan utama terdapat pada selektivitas dan bycatch. Disimpulkan bahwa purse seine tergolong ramah lingkungan, namun perlu pengaturan ukuran mata jaring, musim penangkapan, dan monitoring untuk menjaga keberlanjutan sumber daya ikan.
PERTUMBUHAN Nannochloropsis sp. YANG DIKULTUR PADA SKALA SEMI-MASSAL DAN MASSAL DI UPTD BPBALP TELUK BUO, PADANG, SUMATERA BARAT Virnando, Irvan; Bareta, Ainun Rohmawati; Lisna, Lisna; Pratama, Giri; Afkar, Zawil; Cahyono, Hari; Putri, Rahayu Dian Eka
Mantis Journal of Fisheries Vol. 2 No. 03 (2025): Desember 2025
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v2i03.50125

Abstract

Natural feed plays a crucial role as a primary nutrient source that is easily digested and suitable for the physiological needs of larvae during early life stages. Nannochloropsis sp. is widely used as a main natural feed for larvae of various aquaculture commodities, making its stable and high-quality availability essential for hatchery success. This study aimed to evaluate Nannochloropsis sp. culture techniques at semi-mass and mass scales and to determine cell density as an indicator of feed quality. The study employed direct observation during the culture period and descriptive analysis of cell density and water quality. Culture procedures at both scales included tank preparation, seawater filling, inoculation, cell density measurement, and harvesting, with differences only in tank size and inoculum volume. Results showed that peak cell density on day five reached 42,326,000 cells/mL in the semi-mass scale and 39,400,000 cells/mL in the mass scale, followed by a decline on day six. The study concludes that the Nannochloropsis sp. culture technique applied at UPTD BPBALP Teluk Buo is effective in supporting phytoplankton supply for hatchery operations.
Study on the Spawning Techniques of Jelawat Fish (Leptobarbus hoevenii) at Balai Perikanan Budidaya Air Tawar (BPBAT) Sungai Gelam Anggraini, Gira; Arbajayanti, Rahma Dini; Rolin, Febrina; Pangentasari, Dwinda; Leni, Yusyam; Hafidz Ibnu Khaldun, Muhammad; Putinur, Putinur; Roiska, Riris; Bareta, Ainun Rohmawati; Hasanah, Hasanah
Mantis Journal of Fisheries Vol. 2 No. 03 (2025): Desember 2025
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v2i03.50236

Abstract

This study aims to determine the spawning techniques of Leptobarbus hoevenii fish at the Sungai Gelam Freshwater Aquaculture Center (BPBAT). Activities include maintaining prospective broodstock, selecting mature broodstock, injecting ovulation hormones, and the spawning process, stripping, egg handling, water quality monitoring to highlight its importance, and embryo development. Ovaprim hormone injections were administered to the female broodstock four times and once to the male broodstock to stimulate ovulation. The stripping process was carried out after ovulation and was followed by dry mixing of eggs and sperm before being spread into the hatching tank. The results showed a fertilization rate of 63,08% and a hatching rate of 9,73%, which were influenced by gamete quality and the physiological condition of the broodstock. Observations of embryogenesis showed developmental stages ranging from morula, blastula, gastrula, to organogenesis before the eggs hatch into larvae. Water quality parameters during the study were in the optimal range for spawning, namely pH 7,24–7,77, temperature 27–30,5°C, and DO 3,53–5,58 mg/L. The results of this study explain that the success of Hoven’s carp fish seeding is highly dependent on the readiness of the broodstock, the application of artificial spawning techniques, and good water quality management.
Perbandingan Hasil Tanangkapan Udang Rebon (Acetes Sp) Alat Tangkap Togok Pada Waktu Pasang Dan Surut Di Perairan Kuala Tungkal Kabupaten Tanjung Jabung Barat Alhumaid, Faiqul Hafidz; Mairizal, Mairizal; fauzan, Fauzan Ramadan
Mantis Journal of Fisheries Vol. 3 No. 01 (2026): April 2026
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v3i01.50537

Abstract

The potential of Kuala Tungkal waters includes various fish and shrimp such as grouper, anchovies, rebon shrimp, crabs, and cuttlefish. Togok, a passive fishing gear, is commonly used to trap organisms with the help of currents. This study aimed to compare catches at high and low tide and identify main and by-catch using experimental fishing with 5 togok units over 15 days. Results showed rebon shrimp dominated the catch (57% at high tide; 50.23% at low tide) as the main catch, while others were bycatch. Differences were influenced by shrimp behavior, net position, and gear selectivity. In conclusion, togok is more effective at low tide, with rebon shrimp as the primary catch.
Inventory of Catch Results in Seine Net Fishing Gear in Carocok Tarusan Coastal Waters, Pesisir Selatan Regency Syaifudin, Muhammad; Yurleni, Yurleni; Lauura, Lauura Hermala Yunita; Mairizal, Mairizal; Besse, BC Monica Afriana; Putinur, Putinur
Mantis Journal of Fisheries Vol. 3 No. 01 (2026): April 2026
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v3i01.50586

Abstract

The The waters of Carocok Tarusan Beach in Pesisir Selatan Regency have strong fisheries potential, with many coastal residents working as fishermen. This study aimed to inventory catches from seine net fishing gear and was conducted from July 20 to August 20, 2023, using a survey method with one 5 GT vessel and 10 landings. Data were collected through field observations and interviews. The results showed three species were caught, with tuna (Euthynnus affinis) as the main catch totaling 10,510 fish (1,251 kg; 77%), while anchovies (Stolephorus spp.) (128,100 fish; 173 kg; 11%) and peperek (Leiognathidae) (100,600 fish; 204 kg; 13%) were bycatch. The most frequent tuna sizes ranged from 282–305 mm and 338 359 mm, indicating tuna as the dominant catch in these waters.
IMPLEMENTASI ENERGI SURYA SEBAGAI SUMBER DAYA TERBARUKAN DALAM SISTEM AQUAPONIK IKAN NILA DI DESA TANGKIT BARU Ramadhan, Fathjri; Nurmala, Sinta; hasanah, kamalia; Nugraha, Gilang Try; Adzkar, Fadhlika; Abiyyi, Al Ghossan Abthal; Arbani, Hayaadilah Rizqi; Karima, Mafaza; Ramadanil, Farid; Ramadhani, Silvia; Gurning, Jhon Pedrik; Silitonga, Alfredo Jonathan; Arifin, Muhammad; Aulia, Farhan; Afriana, Bs Monica
Mantis Journal of Fisheries Vol. 3 No. 01 (2026): April 2026
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v3i01.50812

Abstract

Kegiatan pengabdian ini bertujuan memperkenalkan sistem aquaponik berbasis energi surya sebagai solusi budidaya berkelanjutan di wilayah pedesaan yang memiliki keterbatasan akses listrik. Program dilaksanakan di Desa Tangkit Baru dengan melibatkan kelompok pembudidaya ikan. Sistem yang digunakan adalah aquaponik metode Deep Flow Technique (DFT), dimana limbah metabolik ikan dimanfaatkan sebagai nutrisi tanaman, sementara tanaman membantu menjaga stabilitas kualitas air. Operasional pompa dan aerasi didukung panel surya sehingga sirkulasi air dapat berlangsung 24 jam tanpa ketergantungan pada listrik PLN. Kegiatan meliputi pemasangan sistem, penyuluhan, pendampingan, serta pemantauan pertumbuhan ikan dan tanaman. Hasil menunjukkan sistem berjalan stabil, tanaman dan ikan tumbuh baik, dan pasokan energi surya dapat memenuhi kebutuhan daya. Selain itu, pengetahuan serta minat masyarakat terhadap teknologi ini juga meningkat, sehingga sistem aquaponik bertenaga surya dinilai layak dan berpotensi dikembangkan sebagai model budidaya berkelanjutan di tingkat masyarakat.
Biodiversitas Jenis Ikan di Perairan Sungai Kabupaten Pesisir Selatan, Provinsi Sumatera Barat Masrizal, Masrizal; Endryeni, Endryeni; Mayasari, Lisa
Mantis Journal of Fisheries Vol. 3 No. 01 (2026): April 2026
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v3i01.53103

Abstract

This study aimed to determine fish diversity and assess water pollution in rivers of Pesisir Selatan Regency, West Sumatra, using fish as bioindicators. Conducted from April to October 2024 in six rivers, sampling used cast nets, gill nets, scoop nets, and traps. A total of 25 species were identified, belonging to 4 orders, 13 families, and 20 genera. The most dominant group was garing fish (genus Tor) at 24.08%, while lais fish (Ompok leiacanthus) was the least (0.33%). The diversity index (H = 2.6637–3.0358) indicates moderate to high diversity, with even distribution (E = 0.8981–0.9701), low dominance (D = 0.0550–0.0853), and high species richness (R = 2.8854–3.3762). Overall, river conditions are classified as lightly polluted based on diversity index values (2 < H < 3).
Teknik Pembenihan Nila Salin (Oreochromis niloticus) Secara Alami di UPTD Balai Perikanan Air Laut Dan Payau Teluk Buo Sumatera Barat Panjaitan, Yuni Sara; Rolin, Febrina
Mantis Journal of Fisheries Vol. 3 No. 01 (2026): April 2026
Publisher : Department of Fisheries, Animal Science Faculty, Universitas Jambi.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/mjf.v3i01.53560

Abstract

Saline tilapia (Oreochromis niloticus) culture is a strategic option for utilizing brackish coastal waters. This study aimed to evaluate natural hatchery techniques, identify success factors, and provide recommendations to improve productivity. Conducted from July to September 2025 at the Marine and Brackish Water Fisheries Center, Teluk Buo (Padang), the study used direct and participatory observation. Data included fecundity, feed consumption, fry survival, and water quality. Spawning was carried out naturally with a 1:3 male-to-female ratio at 17–18 ppt salinity. Results showed high fecundity (3,500 eggs per female) and fry survival rate of 83%. Daily feed consumption was 1.2 kg for 80 broodstock. Water quality remained optimal (pH 7, temperature 28–30°C, salinity 17–18 ppt, DO >5 mg/L). Hatchery success was influenced by broodstock quality, high-protein feed, water management, and biosecurity. These findings can support the development of saline tilapia hatchery in coastal Indonesia.

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